CN109841888A - A kind of direct carbon solid oxide fuel cell group of micro-tubular based on corncob derivatived fuel - Google Patents
A kind of direct carbon solid oxide fuel cell group of micro-tubular based on corncob derivatived fuel Download PDFInfo
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- CN109841888A CN109841888A CN201910151228.3A CN201910151228A CN109841888A CN 109841888 A CN109841888 A CN 109841888A CN 201910151228 A CN201910151228 A CN 201910151228A CN 109841888 A CN109841888 A CN 109841888A
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- corncob
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- solid oxide
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- 239000000446 fuel Substances 0.000 title claims abstract description 95
- 239000007787 solid Substances 0.000 title claims abstract description 37
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002028 Biomass Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000002154 agricultural waste Substances 0.000 claims 1
- 239000003708 ampul Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000010000 carbonizing Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- -1 oxonium ion Chemical class 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 208000012826 adjustment disease Diseases 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021525 ceramic electrolyte Inorganic materials 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Fuel Cell (AREA)
Abstract
本发明公布了一种基于玉米芯衍生燃料的微管式直接碳固体氧化物燃料电池组，由微管式固体氧化物燃料电池单体、玉米芯衍生燃料、反应室、保温层、不锈钢网、热电偶和点火器组成。本发明在微管式固体氧化物燃料电池单体的基础上，进行单体电池集成，使微管式直接碳固体氧化物燃料电池组具有单室固体氧化物燃料电池的特征，但阴、阳极无需密封，只做简单隔离，节约了密封成本，同时提高了电池性能；本发明有效地实现了在无外热源的情况下，利用玉米芯衍生燃料燃烧产生的热量自维持电池工作所需的高温，保证了电池的顺利启动和工作；本发明采用的玉米芯衍生燃料，是通过对玉米芯进行简单的碳化得到，价格低廉、储量丰富且能量密度大，可直接燃烧获得热能，实现热电联产，具有绿色环保、能源转化效率高等优点。
The invention discloses a micro-tubular direct carbon solid oxide fuel cell stack based on corncob-derived fuel. Thermocouple and igniter. The invention integrates the single cell on the basis of the micro-tubular solid oxide fuel cell, so that the micro-tubular direct carbon solid oxide fuel cell stack has the characteristics of a single-chamber solid oxide fuel cell, but the cathode and anode are There is no need for sealing, only simple isolation is required, which saves the cost of sealing and improves the performance of the battery; the invention effectively realizes the high temperature required for the operation of the battery by using the heat generated by the combustion of the corncob-derived fuel without an external heat source. , to ensure the smooth start and operation of the battery; the corncob-derived fuel used in the present invention is obtained by simply carbonizing the corncob, and has the advantages of low price, abundant reserves and high energy density, and can be directly burned to obtain heat energy and realize cogeneration of heat and power. It has the advantages of green environmental protection and high energy conversion efficiency.
Description
Technical field
The present invention relates to the micro-tubular solid oxide fuel cell for directly using corncob derivatived fuel, and in particular to one
Micro-tubular direct carbon solid oxide fuel cell group of the kind based on corncob derivatived fuel.
Background technique
The development and utilization of agriculture and forestry organic waste material are the themes that development is preferentially encouraged in China's scientific and technical development program, utilize agriculture
The research of woods waste exploitation novel biomaterial and narrow resources substitute is paid more and more attention.As economic high speed is sent out
Exhibition, the energy and resource provisioning growing tension, it has also become the outstanding problem of limitation Chinese society sustainable development.In order to protect the mankind
The natural environment depended on for existence, protects forest resources, it is necessary to and the potential value for sufficiently excavating agriculture and forestry organic waste material turns waste into wealth,
Develop diversification product.China is maize production, consumption and big export country, and the yield of annual corncob is up to 5,000,000 tons, but very
Big a part is taken as offal treatment, and potential value is totally disregarded, and causes the serious waste of resource.
The comprehensive utilization of corncob resource belongs to typical low-carbon economy.With the development of related fields, use both at home and abroad
Biotechnology and chemical technology have carried out multi-field research to corncob comprehensive development and utilization, such as applied to fuel cell, real
The efficient utilization of existing sustainable energy.Corncob is used for the development and utilization of fuel cell, embodies in agricultural production system and discards
The Efficient Conversion of object, is the important embodiment of circular agriculture and low-carbon economy, and takes nature, naturally circulated benignly with it,
The call of national sustainable development is responded.
Solid oxide fuel cell (SOFC) is a kind of electrochemical generating unit of high-efficiency cleaning, generally by conduction oxygen from
Son dense electrolyte and fuel and oxidant are made of the porous anode and cathode of electrocatalysis respectively, make with fuel
With range it is wide, easily promote and the advantages such as operating cost is low.Currently, hydrogen is SOFC using most common fuel, but hydrogen is one
Kind of secondary energy sources, cannot directly obtain from nature, at high cost, volume energy density is low, storage Transport Safety difference etc. is asked
Topic.But the above problem is not present in carbon fuel, is considered as the safety fuel that can substitute hydrogen, especially applies to
High-temperature fuel cell.Compared with hydrogen, the energy density of carbon is high, cheap, from a wealth of sources, and do not store and transport
Safety problem.Therefore, direct carbon solid oxide fuel cell (DC-SOFC) receives more and more attention.
The structure of DC-SOFC is very simple, core component be by with higher oxygen ionic conductivity ceramic electrolyte,
The SOFC that perovskite oxide cathode and cermet anode are constituted, carbon fuel are placed in anode chamber, by providing oxygen to cathode,
Oxygen molecule is transformed into oxonium ion O under the electrocatalysis of cathode2-, oxonium ion is transmitted to anode by electrolyte, and is diffused into
The CO reaction of anode generates CO2And provide electronics, i.e. electrochemical oxidation reactions
CO+O2-=CO2+2e-
These CO2It is diffused into carbon fuel surface, Boudouard occurs with it and reacts
CO2+C=2CO
The CO of generation is diffused into anode, generates electric current by electrochemical oxidation reactions.It recycles repeatedly, is achieved that electrochemistry
Mode consumes solid carbon fuel and the purpose that generates electricity.
DC-SOFC is in addition to having the advantages that SOFC, and that there are also dynamic processes is fast, fuel availability is high, structure of whole solid state etc.
Unique advantage has broad application prospects.Firstly, it is a kind of potential high effect cleaning coal and biomass generation, and
And its power generation process does not need water；Secondly, in DC-SOFC carbon fuel theoretical maximum capacity (8935 mAh g-1) it is typical
Carbon negative pole material theoretical capacity (372 mAh g in lithium ion battery-1) 24 times, it is expected to by DC-SOFC develop at a kind of high property
The battery of energy, low cost；Finally, the exploitation of DC-SOFC is expected to promote China's Rare-earth Industry, and new material is driven to produce
The formation and traditional ceramics upgrading of industries of industry.
Based on the above reasons, the present invention devises a kind of direct carbon solid oxidation of the micro-tubular based on corncob derivatived fuel
Object fuel cell unit.
Summary of the invention
It is an object of the invention to by rich reserves and the big corncob of energy density and micro-tubular solid oxide fuel
Battery combines, and provides a kind of direct carbon solid oxide fuel cell group of the micro-tubular based on corncob derivatived fuel.Benefit
With corncob derivatived fuel burning fuel and high temperature from needed for maintaining battery pack work, improve real while cell power generation efficiency
The high-efficiency cleaning of existing biomass resource utilizes, and provides a kind of DC-SOFC power supply suitable for small application.
Its technical solution is: the lower end of each micro-tubular solid oxide fuel cell monomer is embedded in 30 mesh stainless (steel) wires
In, upper end is embedded in 12 mesh stainless (steel) wires, and 30 mesh stainless (steel) wires are placed in the reaction chamber of bottom belt support ring, above reaction chamber
Corncob derivatived fuel is added, is fallen on 30 mesh stainless (steel) wire of bottom by 12 mesh stainless (steel) wires, in the middle part of corncob derivatived fuel
Thermocouple is installed, igniter is equipped with below reaction chamber, outside is equipped with insulating layer.
Fuel needed for maintaining work is the carbon fuel by obtaining to corncob progress simple process, cheap, next
Source is extensive, energy density is high.Micro-tubular solid oxide fuel cell monomer is placed in corncob derivatived fuel, reserves not by
The limitation of battery cell internal diameter is solely dependent upon the size of reaction chamber, therefore can improve carbon fuel quantity to greatest extent, to mention
High battery parallel-adder settle-out time.Meanwhile fully utilizing the heat that carbon fuel combustion generates, it provides needed for battery pack work
High temperature, improve the generating efficiency of system, realize from maintaining.It, can be by the top of device continuously not in normal battery operation
Disconnected adds corncob derivatived fuel into reaction chamber, fully ensures that fuel needed for battery, realizes the continuity run of battery.
The beneficial effects of the present invention are: (1) present invention is by rich reserves and the big corncob of energy density is consolidated with micro-tubular
Oxide body fuel cell unit combines, using corncob derivatived fuel burning from maintain battery pack work needed for fuel and
High temperature realizes that the high-efficiency cleaning of biomass resource utilizes, provides one kind and be suitable for small-sized answer while improving cell power generation efficiency
DC-SOFC power supply.(2) heat demand by the redundancy thermal energy supply of DC-SOFC and fuel gasification combines, and appoints in nothing
The smooth starting for guaranteeing battery from maintaining and continuous sex work are realized under conditions of what heat source, are improved the generating efficiency of system, are made
Fuel cell enters average family and is possibly realized.(3) with the feature of single-chamber solid oxide fuel cell, but cathode and anode is not
It needs to seal, only does simple isolation, save the cost.(4) reserves of corncob derivatived fuel are not by micro-tubular solid oxide fuel
The limitation of battery pack internal diameter, is solely dependent upon the size of reaction chamber, and battery performance greatly improves.(5) energy needed for all stores
In corncob derivatived fuel, only the continual and steady of battery pack need to be realized by be supplemented at the top of reaction chamber when fuel shortage
Operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the integrated installation figure of micro-tubular solid oxide fuel cell monomer described in Fig. 1.
Fig. 3 is schematic diagram of internal structure of the present invention.
Specific embodiment
According to shown in Fig. 3, more micro-tubular solid oxide fuel cell monomers (3) are subjected to parallel connection simultaneously with filamentary silver (10)
Check its situation that insulate.
According to shown in Fig. 2, it is stainless that micro-tubular solid oxide fuel cell monomer (3) upper/lower terminal is respectively embedded into 12 mesh
In steel mesh (5) and 30 mesh stainless (steel) wires (4), and fixed with silver paste.By assembled micro-tubular solid oxide fuel electricity
Pond group is put into reaction chamber (2), and 30 mesh stainless (steel) wires (4) are placed in the support ring (9) of reaction chamber (2) bottom.Side on the battery pack
It adds corncob derivatived fuel (6), is fallen into reaction chamber (2) by 12 mesh stainless (steel) wires (5), reaction chamber (2) bottom is by stainless
Steel mesh (4) support, it is ensured that corncob derivatived fuel (6) with it is close on the outside of micro-tubular solid oxide fuel cell monomer (3)
Contact, and one layer of heat preservation cotton is covered above reaction chamber (2).Using igniter (8) from reaction chamber (2) bottom priming, guarantee beautiful
Rice core derivatived fuel (6) can normal combustion, using thermocouple (7) measure reaction chamber (2) internal temperature.
By the ventilative degree of heat-preservation cotton above temperature adjustment reaction chamber (2), increase guarantor if temperature is lower than 800 °C
Warm cotton dosage reduces heat-preservation cotton dosage if temperature is higher than 900 °C, guarantees that system can in the case where no external heat source
From maintenance operating temperature.
When the open-circuit voltage of battery pack reaches predetermined value and after a period of stabilisation, access load makes direct carbon micro-tubular
Solid oxide fuel cell stack is started to work.It is mended in due course according to the consumption degree of corncob derivatived fuel (6) in reaction chamber (2)
It fills, guarantees the continual and steady operation of battery pack.
Claims (6)
1. a kind of direct carbon solid oxide fuel cell group of micro-tubular based on corncob derivatived fuel, which is characterized in that should
Battery pack includes insulating layer (1), reaction chamber (2), micro-tubular solid oxide fuel cell monomer (3), 30 mesh stainless (steel) wires
(4), 12 mesh stainless (steel) wire (5), corncob derivatived fuel (6), thermocouple (7), igniter (8), support ring (9), filamentary silver (10)；
Insulating layer (1) is made of using ceramic cotton material, reaction chamber (2) high temperature resistant quartz ampoule, igniter (8) be common lighter or
Match.
2. a kind of micro-tubular solid oxide fuel cell based on corncob derivatived fuel according to claim 1
Group, which is characterized in that You Duogen micro-tubular solid oxide fuel cell monomer (3) composition, each battery cell are all made of electricity
Matter support is solved, anode is on the outside of pipe, and cathode is on the inside of pipe, and by the connection of stainless (steel) wire, it is solid that assembling obtains the direct carbon of micro-tubular
Oxide body fuel cell unit.
3. a kind of micro-tubular solid oxide fuel cell stack based on corncob derivatived fuel according to claim 1,
It is characterized in that, the lower end of each micro-tubular solid oxide fuel cell monomer (3) is embedded in 30 mesh stainless (steel) wires (4), on
In 12 mesh stainless (steel) wires (5) of end insertion, 30 mesh stainless (steel) wires (4) are placed in the reaction chamber (2) of bottom belt support ring (9), anti-
It answers and adds corncob derivatived fuel (6) above room (2), 30 mesh stainless (steel) wires of bottom are dropped by 12 mesh stainless (steel) wires (5)
(4) on, thermocouple (7) are installed in the middle part of corncob derivatived fuel (6), are equipped with igniter (8) below reaction chamber (2), it is external
Equipped with insulating layer (1).
4. a kind of micro-tubular solid oxide fuel cell stack based on corncob derivatived fuel according to claim 1,
It is characterized in that, micro-tubular solid oxide fuel cell monomer (3) is placed in corncob derivatived fuel (6), corncob is made to spread out
The reserves of raw fuel (6) are not limited by micro-tubular solid oxide fuel cell monomer (3) internal diameter, are solely dependent upon reaction chamber
(2) heat that corncob derivatived fuel (6) burning generates is fully utilized maintenance battery by insulating layer (1) by size
High temperature needed for work, realizes cogeneration of heat and power.
5. a kind of micro-tubular solid oxide fuel cell stack based on corncob derivatived fuel according to claim 1,
It is characterized in that, the corncob derivatived fuel (6) is obtained by carrying out simple process to biomass, energy density height,
It is rich reserves, cheap, meet the agricultural waste utilization policy of country's promotion.
6. a kind of micro-tubular solid oxide fuel cell stack based on corncob derivatived fuel according to claim 1,
It is characterized in that, can continuously be added into reaction chamber (2) by the top of battery pack beautiful in normal battery operation
Rice core derivatived fuel (6), fully ensures that fuel needed for battery, realizes the continuity run of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151228.3A CN109841888A (en) | 2019-02-28 | 2019-02-28 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on corncob derivatived fuel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151228.3A CN109841888A (en) | 2019-02-28 | 2019-02-28 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on corncob derivatived fuel |
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| CN109841888A true CN109841888A (en) | 2019-06-04 |
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| CN201910151228.3A Pending CN109841888A (en) | 2019-02-28 | 2019-02-28 | A kind of direct carbon solid oxide fuel cell group of micro-tubular based on corncob derivatived fuel |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681179A (en) * | 2017-10-30 | 2018-02-09 | 山东理工大学 | A self-sustaining direct carbon microtube solid oxide fuel cell stack |
| CN107732256A (en) * | 2017-10-10 | 2018-02-23 | 常州大学 | A MFC electrode material prepared from agricultural waste and its electrochemical performance |
-
2019
- 2019-02-28 CN CN201910151228.3A patent/CN109841888A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732256A (en) * | 2017-10-10 | 2018-02-23 | 常州大学 | A MFC electrode material prepared from agricultural waste and its electrochemical performance |
| CN107681179A (en) * | 2017-10-30 | 2018-02-09 | 山东理工大学 | A self-sustaining direct carbon microtube solid oxide fuel cell stack |
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